Synthesis and Characterization of Apatite-Type Lanthanum Silicate Electrolyte Codoped With Cu and Nb.

May 14, 2026

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Key Points

The aim is to synthesize and characterize a lanthanum silicate electrolyte codoped with copper and niobium to enhance ionic conduction.
Synthesize apatite-type lanthanum silicate with interstitial oxygen addition.
Characterize the conductivity and conduction mechanisms through experimental techniques.
Analyze the synergistic effects of copper and niobium in the electrolyte.
Demonstrated significant enhancement in oxygen ion migration capability due to synergistic conduction mechanisms.
Showed improved conductivity metrics compared to un-doped and singularly doped samples.
Characterization confirmed the presence of oxygen vacancies and interstitial oxygens.

Demonstrates enhanced ion migration in lanthanum silicate electrolyte, suggesting improved conductivity.

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Sun et al. (2026) studied this question.

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